@book{schnell2005mde,
	title = {Methoden der empirischen Sozialforschung},
	address = {M{\"u}nchen},
	author = {Rainer Schnell and Paul B. Hill and Elke Esser},
	publisher = {Oldenbourg},
	volume = {7.},
	year = {2005},
	biburl = {http://www.bibsonomy.org/bibtex/2eec1540846921f6e27c9b1c93397edc3/tobidiplom},
	keywords = {empirie forschung methode }
}